package com.lyy.lottery.dao.mapper;

import com.lyy.lottery.dao.dataobject.PrizeDo;
import org.apache.ibatis.annotations.*;

import java.util.List;

@Mapper
public interface PrizeMapper {

    @Insert("insert into prize (name,image_url,price,description)"+
            "values(#{name},#{imageUrl},#{price},#{description})")
    @Options(useGeneratedKeys = true,keyProperty = "id",keyColumn = "id")
    int insert(PrizeDo prizeDo);

    @Select("select count(1) from prize")
    int count();

    @Select("select * from prize order by id desc limit #{offset},#{pageSize}")
    List<PrizeDo> selectPrizeList(@Param("offset") Integer offset, @Param("pageSize") Integer pageSize);

    @Select("<script>"+
            " select id from prize"+
            " where id in"+
            " <foreach item='item' collection='items' open='(' separator=',' close=')'>" +
            " #{item}" +
            " </foreach>" +
            " </script>" )
    List<Long> selectExistByIds(@Param("items") List<Long> ids);

    @Select("<script>"+
            " select * from prize"+
            " where id in"+
            " <foreach item='item' collection='items' open='(' separator=',' close=')'>" +
            " #{item}" +
            " </foreach>" +
            " </script>" )
    List<PrizeDo> batchSelectByIds(@Param("items") List<Long> prizeIds);

    @Select("select * from prize where id = #{id}")
    PrizeDo selectById(@Param("id") Long id);
}


















